XRT7296 Просмотр технического описания (PDF) - Exar Corporation

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XRT7296

DS3/STS–1, E3 Integrated Line Transmitter

Exar Corporation 

XRT7296

ELECTRICAL CHARACTERISTICS (See Figure 8 )

Test Conditions: VDD = 5V ± 5%, TA = -40
C to +85
C, unless otherwise specified. All timing characteristics

are measured with 10pF loading.

Symbol Parameter

Min.

Typ.

Max.

Units

AC Electrical Characteristics

# +/;
,- -/+ '
  *(

&

&

&&

.

# +/;
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&

.



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$

# +/; $++  '.  %.(





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7
  # $++  ? 





:= 0
7
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&


I

075  #  0 
+- 

)







# +/;
,- -/+

&

&

&&

.



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$

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7
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&





#= +/;   '.  %.(





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DC Electrical Characteristics

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, +- , 

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&&

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<

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<:

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<=

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Notes:

1 When the encoder is enabled, a handling delay of four and a half TCLK clock cycles for B3ZS and five and half clock cycles for HDB3

always exists between TPDATA/TNDATA and TTIP/TRING. The handling delay is reduced to two clock cycles when the encoder

is disabled.

2 When the decoder is enabled, a handling delay of six and a half RCLK clock cycles will always exist between RPDATA/RNDATA

and RPOS/RNEG/RNRZ. The handling delay is reduced to one and half RCLK clock cycles when the decoder is disabled.

3 Supply current is measured with transmitter sending all ones AMI signal and with Transmit Level (TXLEV) set to high.

4 All inputs except pin 19, 20 and pin 26.

Specifications are subject to change without notice

 

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